Jax door



F. HIOCK.

CAR DOOR.

APPEICATION FILED WIM/14.1921.

@tamed Nov. M., 11922.

2 amers-@Hm F. HIDGCK.

CAR DOOR.

APP! ICATION msu MAY 14. 192'1.

lggfgh Patented Nov. Ml, 1922.

ATFORNEY i. desire it to be understood that I may make changes in theconstruction and 1n the combination and arrangement of the severalparts, provided that such changes fall within the scope of the appendedClaims.

TWhat l: claim is:-

l. in combination with a car having guideways at the sides of its dooropeninfr, a door formed of a number of sections, each section havingfianges at its ends, said flanges having slots therein, the slottedportions of the flanges extendingv beyond the upper and lower edges ofeach section and each section having groove at its upper edge forreceiving` the adjacent section, shafts passing tl'gonrh the slots,rollers on the ends of the shafts for engaging the guideways and meansfor raisintg` the door.

2. A car door formed of a plurality of sections, slotted flangesprovided on each section at the ends thereof and being of a greaterlength than the width of the sections,

said car having door openings therein and guideways formed at the sidesof each door opening, said euideways being extended beneath the roof ofthe car and the extended portions being of curved formation to conformto 'the shape of the roof, shafts passing through said slots and rollerson the ends of the shafts which are adapted to engage said guideways-andmeans for raislng the doors of the car.

shaft rotatably mounted in the roof of the car and chains securedthereto, hooks adapted to connect the lower ends of the chains with thetop of the doors, a sprocket provided on said shaft and a second shaftlocated at the bottom of the car which is provided With a sprocket, anendless chain adapted to connect said vsprockets together. one of saidshaftV having` a squared end and a crank handle provided thereon formanu ally rotating' said shaft, latch means pro vided on said shaft forpreventing `retro grade movement and means for holding the doors inraised or opened position.

in testimon)7 whereof vIY affix inv signature.

- FRA NK I'IDOCK. Witness T. WI. CoNNIFF.

